What is the meaning of Administrator?

One who administers affairs; one who directs, manages, executes, or dispenses, whether in civil, judicial, political, or ecclesiastical affairs; a manager.

A person who manages or settles the estate of an intestate, or of a testator when there is no competent executor; one to whom the right of administration has been committed by competent authority

One who is responsible for software installation, management, information and maintenance of a computer or network

administrator, manager (person in an administrative capacity)

ecclesiastical administrator, a steward of a bishop

administrator:

  1. one who administers affairs

    one who administers affairs

    one who responsible for software and maintenance of a computer or network

    manager, conductor, administrator

    vocative singular of administrators

    an administrator

    an administrator

    administrator

    executioner

    administrator

    administrator

    Source: wiktionary.org